0.126 rounded to the nearest hundreath =

Answers

Answer 1

Answer: 0.13 is your answer you are looking for.

Answer 2

Answer: The hundredth spot is the second number to the right of the decimal. We, first, look at the far right number, in this case is 6, and we round it. Since 6 is rounded to ten, it rounds up the number next to it to a three. Since the hundredth number changed, we have no more work! The answer is 0.13! Hope this helps. :)

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All possible steps for x in 5 1/2X = 2/3 X=37

Answers

Answer:

x=6

Step-by-step explanation:

Explanation:

Treat it as a normal equation - except that you have to add fractions as coefficients rather than integers.Improper fractions will probably be best for adding because later you can cross multiply.

What is the radius of the circle in the example?

Answers

Where’s the example ?

Mrs. Matthews drew a hexagon with a perimeter of 60 centimeters on a sheet of paper. She used the photocopier in her office to make copies of her drawings. The length of each side of the hexagons on the photocopies is 1 and 1/2 times the length of each side of the hexagon on the drawing. What is the perimeter in centimeters of each hexagon on the photocopies?A. 40
B. 90
C. 69
D. 150

Answers

B. 90 because original is 60cm so it is 60cm /2 = 30
cm (1/2 of original is 30 cm) so 60cm(original) + 30cm = 90

Answer:

Step-by-step explanation:

Real aspect

Excessive decay

Specious totality

Barely perceptible

Explain how you can use mental math to compare 7 pounds to 120 ounces.

Answers

16 oz=1 pound
we either convert 7 pounds to oz or 120 ounces to pound
I would ocnvert ounces to pounds since it is bigger to make it smaller
120/16=60/8=30/4=15/2=7.5

120oz=7.5pounds

so we compare 7 to 7.5 (pounds)

You could use mental math if you know how many ounces = 1 pound, which is 16, so you could easily multiply 16 times 7 in your head which will equal 112, and you could see dat 120 ounces > 7 pounds, (120 ounces is greater than 7 pounds), and DAT'S how you could use mental math! =D
I hope I helped! =D

Given f(x) = e^x and g(x) = x – 2, what is the range of (g*f)(x)

Answers

For this case we have the following functions:

$f (x) = e ^ x\ng (x) = x-2$

By definition we have to:

$(f * g) (x) = f (x) * g (x)$

Substituting:

$(f * g) (x) = e ^ x (x-2)$

The range of the function is given by all values of "and" valid. That is, all the real numbers.

ANswer:

(-∞,∞)

Graphic attached

Consider the system below. 4x-2y=-12 3x-y=-3 Solve the system by using a matrix equation. Show your work.

Answers

The matrix equation AX=B, where A and B are numerical matrices and X is unknown matrix has a solution $X= A^(-1) B$ , where $A^(-1)$ is inverse matrix of X.
1. We rewrite given system as matrix equation $\left[\begin{array}{cc}4&-2\n3&-1\end{array}\right] X=\left[\begin{array}{c}- 12\n- 3\end{array}\right]$ ;
2. Find $A^(-1) = \left[\begin{array}{cc}4&-2\n3&-1\end{array}\right] ^(-1)$ by the rule $A^(-1)= (1)/(det \ A) [ A_(ij) ] ^(T)$ . So, $det\ A=4$ × $(-1)-3$ × $(-2)=-4+6=2$ and algebraic supplements are
$A_(11) =-1 \n A_(12) =-3 \n A_(21)=2 \n A_(22) =4$ . Then $A^(-1) = (1)/(2) \left[\begin{array}{cc}-1&-3\n2&4\end{array}\right] ^(T)= \left[\begin{array}{cc}- (1)/(2) &1\n- (3)/(2) &2\end{array}\right]$ ;
3. Calculate $X= \left[\begin{array}{cc}- (1)/(2) &1\n- (3)/(2) &2\end{array}\right] \left[\begin{array}{c} -12\n-3\end{array}\right]=$ $\left[\begin{array}{c}3\n12\end{array}\right]$ ;

4. We obtain $X= \left[\begin{array}{c}3\n12\end{array}\right]$ , from where x=3 and y=12.

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